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Prediction for CME (2025-03-16T21:12:00-CME-001)

CME Observed Time: 2025-03-16T21:12Z
iSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/37860/-1
CME Note: The arrival of this CME was not clearly detected at L1. CME Note: Partial halo CME with bulk seen to the north-northeast in SOHO LASCO C2 imagery and more towards the northeast in STEREO A COR2 imagery with faint, very wide shock developing in later frames with invisible leading edge containing lobes to the north and east in both SOHO and STEREO A imagery. The presumed source is an eruption from near the vicinity of Active Region 4032 (N35E35) seen as a dimming in SDO AIA 193 as early as 2025-03-16T18:04Z, disappearing loop structure in SDO AIA 171, and brightening in SDO AIA 304. There are two eruptions seen in GOES SUVI 304 imagery emanating from the same area, one seen at 18:49Z and another which appears more Earth-directed at 20:49Z. Triangulation using SOHO and STEREO A imagery seems to more strongly support Earth-directedness and deflection westward than the EUV imagery.
CME was not detected at Earth.
Observed Geomagnetic Storm Parameters due to CME:
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Predicted Arrival Time: 2025-03-19T21:00Z (-6.0h, +6.0h)
Confidence that the CME will arrive: 70.0%
Predicted geomagnetic storm max Kp range due to CME: 3.0 - 6.0
Prediction Method: WSA-ENLIL + Cone (Met Office)
Prediction Method Note:

Met Office ENLIL settings.
ENLIL version: 2.7
Resolution: medium-res (512x60x180) (X1=0.1-1.7/uniform X2=30.-150./uniform X3=0.-360./uniform)
Ambient settings: a3b2-sa1
WSA version: 4.5
GONG: mrzqs
Note that this arrival time forecast is based on the simulation but is then adjusted by a human-in-the-loop.

Please specify following CME input parameters.
Time at 21.5Rs boundary: 
Radial velocity (km/s): 
Longitude (deg): 
Latitude (deg): 
Half-angular width (deg): 

Notes: 
Space weather advisor:

Lead Time: 38.25 hour(s)
Difference: -----
Prediction submitted by Met Office (Met Office) on 2025-03-18T06:45Z

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